Without delay, let's solve this. We've got 93 and we will be multiplying it by 423, that is, adding 93 to itself 423 times.
Step 1: 0 + 93 = 93
Step 2: 93 + 93 = 186
Step 3: 186 + 93 = 279
Step 4: 279 + 93 = 372
Step 5: 372 + 93 = 465
Step 6: 465 + 93 = 558
Step 7: 558 + 93 = 651
Step 8: 651 + 93 = 744
Step 9: 744 + 93 = 837
Step 10: 837 + 93 = 930
Step 11: 930 + 93 = 1023
Step 12: 1023 + 93 = 1116
Step 13: 1116 + 93 = 1209
Step 14: 1209 + 93 = 1302
Step 15: 1302 + 93 = 1395
Step 16: 1395 + 93 = 1488
Step 17: 1488 + 93 = 1581
Step 18: 1581 + 93 = 1674
Step 19: 1674 + 93 = 1767
Step 20: 1767 + 93 = 1860
Step 21: 1860 + 93 = 1953
Step 22: 1953 + 93 = 2046
Step 23: 2046 + 93 = 2139
Step 24: 2139 + 93 = 2232
Step 25: 2232 + 93 = 2325
Step 26: 2325 + 93 = 2418
Step 27: 2418 + 93 = 2511
Step 28: 2511 + 93 = 2604
Step 29: 2604 + 93 = 2697
Step 30: 2697 + 93 = 2790
Step 31: 2790 + 93 = 2883
Step 32: 2883 + 93 = 2976
Step 33: 2976 + 93 = 3069
Step 34: 3069 + 93 = 3162
Step 35: 3162 + 93 = 3255
Step 36: 3255 + 93 = 3348
Step 37: 3348 + 93 = 3441
Step 38: 3441 + 93 = 3534
Step 39: 3534 + 93 = 3627
Step 40: 3627 + 93 = 3720
Step 41: 3720 + 93 = 3813
Step 42: 3813 + 93 = 3906
Step 43: 3906 + 93 = 3999
Step 44: 3999 + 93 = 4092
Step 45: 4092 + 93 = 4185
Step 46: 4185 + 93 = 4278
Step 47: 4278 + 93 = 4371
Step 48: 4371 + 93 = 4464
Step 49: 4464 + 93 = 4557
Step 50: 4557 + 93 = 4650
Step 51: 4650 + 93 = 4743
Step 52: 4743 + 93 = 4836
Step 53: 4836 + 93 = 4929
Step 54: 4929 + 93 = 5022
Step 55: 5022 + 93 = 5115
Step 56: 5115 + 93 = 5208
Step 57: 5208 + 93 = 5301
Step 58: 5301 + 93 = 5394
Step 59: 5394 + 93 = 5487
Step 60: 5487 + 93 = 5580
Step 61: 5580 + 93 = 5673
Step 62: 5673 + 93 = 5766
Step 63: 5766 + 93 = 5859
Step 64: 5859 + 93 = 5952
Step 65: 5952 + 93 = 6045
Step 66: 6045 + 93 = 6138
Step 67: 6138 + 93 = 6231
Step 68: 6231 + 93 = 6324
Step 69: 6324 + 93 = 6417
Step 70: 6417 + 93 = 6510
Step 71: 6510 + 93 = 6603
Step 72: 6603 + 93 = 6696
Step 73: 6696 + 93 = 6789
Step 74: 6789 + 93 = 6882
Step 75: 6882 + 93 = 6975
Step 76: 6975 + 93 = 7068
Step 77: 7068 + 93 = 7161
Step 78: 7161 + 93 = 7254
Step 79: 7254 + 93 = 7347
Step 80: 7347 + 93 = 7440
Step 81: 7440 + 93 = 7533
Step 82: 7533 + 93 = 7626
Step 83: 7626 + 93 = 7719
Step 84: 7719 + 93 = 7812
Step 85: 7812 + 93 = 7905
Step 86: 7905 + 93 = 7998
Step 87: 7998 + 93 = 8091
Step 88: 8091 + 93 = 8184
Step 89: 8184 + 93 = 8277
Step 90: 8277 + 93 = 8370
Step 91: 8370 + 93 = 8463
Step 92: 8463 + 93 = 8556
Step 93: 8556 + 93 = 8649
Step 94: 8649 + 93 = 8742
Step 95: 8742 + 93 = 8835
Step 96: 8835 + 93 = 8928
Step 97: 8928 + 93 = 9021
Step 98: 9021 + 93 = 9114
Step 99: 9114 + 93 = 9207
Step 100: 9207 + 93 = 9300
Step 101: 9300 + 93 = 9393
Step 102: 9393 + 93 = 9486
Step 103: 9486 + 93 = 9579
Step 104: 9579 + 93 = 9672
Step 105: 9672 + 93 = 9765
Step 106: 9765 + 93 = 9858
Step 107: 9858 + 93 = 9951
Step 108: 9951 + 93 = 10044
Step 109: 10044 + 93 = 10137
Step 110: 10137 + 93 = 10230
Step 111: 10230 + 93 = 10323
Step 112: 10323 + 93 = 10416
Step 113: 10416 + 93 = 10509
Step 114: 10509 + 93 = 10602
Step 115: 10602 + 93 = 10695
Step 116: 10695 + 93 = 10788
Step 117: 10788 + 93 = 10881
Step 118: 10881 + 93 = 10974
Step 119: 10974 + 93 = 11067
Step 120: 11067 + 93 = 11160
Step 121: 11160 + 93 = 11253
Step 122: 11253 + 93 = 11346
Step 123: 11346 + 93 = 11439
Step 124: 11439 + 93 = 11532
Step 125: 11532 + 93 = 11625
Step 126: 11625 + 93 = 11718
Step 127: 11718 + 93 = 11811
Step 128: 11811 + 93 = 11904
Step 129: 11904 + 93 = 11997
Step 130: 11997 + 93 = 12090
Step 131: 12090 + 93 = 12183
Step 132: 12183 + 93 = 12276
Step 133: 12276 + 93 = 12369
Step 134: 12369 + 93 = 12462
Step 135: 12462 + 93 = 12555
Step 136: 12555 + 93 = 12648
Step 137: 12648 + 93 = 12741
Step 138: 12741 + 93 = 12834
Step 139: 12834 + 93 = 12927
Step 140: 12927 + 93 = 13020
Step 141: 13020 + 93 = 13113
Step 142: 13113 + 93 = 13206
Step 143: 13206 + 93 = 13299
Step 144: 13299 + 93 = 13392
Step 145: 13392 + 93 = 13485
Step 146: 13485 + 93 = 13578
Step 147: 13578 + 93 = 13671
Step 148: 13671 + 93 = 13764
Step 149: 13764 + 93 = 13857
Step 150: 13857 + 93 = 13950
Step 151: 13950 + 93 = 14043
Step 152: 14043 + 93 = 14136
Step 153: 14136 + 93 = 14229
Step 154: 14229 + 93 = 14322
Step 155: 14322 + 93 = 14415
Step 156: 14415 + 93 = 14508
Step 157: 14508 + 93 = 14601
Step 158: 14601 + 93 = 14694
Step 159: 14694 + 93 = 14787
Step 160: 14787 + 93 = 14880
Step 161: 14880 + 93 = 14973
Step 162: 14973 + 93 = 15066
Step 163: 15066 + 93 = 15159
Step 164: 15159 + 93 = 15252
Step 165: 15252 + 93 = 15345
Step 166: 15345 + 93 = 15438
Step 167: 15438 + 93 = 15531
Step 168: 15531 + 93 = 15624
Step 169: 15624 + 93 = 15717
Step 170: 15717 + 93 = 15810
Step 171: 15810 + 93 = 15903
Step 172: 15903 + 93 = 15996
Step 173: 15996 + 93 = 16089
Step 174: 16089 + 93 = 16182
Step 175: 16182 + 93 = 16275
Step 176: 16275 + 93 = 16368
Step 177: 16368 + 93 = 16461
Step 178: 16461 + 93 = 16554
Step 179: 16554 + 93 = 16647
Step 180: 16647 + 93 = 16740
Step 181: 16740 + 93 = 16833
Step 182: 16833 + 93 = 16926
Step 183: 16926 + 93 = 17019
Step 184: 17019 + 93 = 17112
Step 185: 17112 + 93 = 17205
Step 186: 17205 + 93 = 17298
Step 187: 17298 + 93 = 17391
Step 188: 17391 + 93 = 17484
Step 189: 17484 + 93 = 17577
Step 190: 17577 + 93 = 17670
Step 191: 17670 + 93 = 17763
Step 192: 17763 + 93 = 17856
Step 193: 17856 + 93 = 17949
Step 194: 17949 + 93 = 18042
Step 195: 18042 + 93 = 18135
Step 196: 18135 + 93 = 18228
Step 197: 18228 + 93 = 18321
Step 198: 18321 + 93 = 18414
Step 199: 18414 + 93 = 18507
Step 200: 18507 + 93 = 18600
Step 201: 18600 + 93 = 18693
Step 202: 18693 + 93 = 18786
Step 203: 18786 + 93 = 18879
Step 204: 18879 + 93 = 18972
Step 205: 18972 + 93 = 19065
Step 206: 19065 + 93 = 19158
Step 207: 19158 + 93 = 19251
Step 208: 19251 + 93 = 19344
Step 209: 19344 + 93 = 19437
Step 210: 19437 + 93 = 19530
Step 211: 19530 + 93 = 19623
Step 212: 19623 + 93 = 19716
Step 213: 19716 + 93 = 19809
Step 214: 19809 + 93 = 19902
Step 215: 19902 + 93 = 19995
Step 216: 19995 + 93 = 20088
Step 217: 20088 + 93 = 20181
Step 218: 20181 + 93 = 20274
Step 219: 20274 + 93 = 20367
Step 220: 20367 + 93 = 20460
Step 221: 20460 + 93 = 20553
Step 222: 20553 + 93 = 20646
Step 223: 20646 + 93 = 20739
Step 224: 20739 + 93 = 20832
Step 225: 20832 + 93 = 20925
Step 226: 20925 + 93 = 21018
Step 227: 21018 + 93 = 21111
Step 228: 21111 + 93 = 21204
Step 229: 21204 + 93 = 21297
Step 230: 21297 + 93 = 21390
Step 231: 21390 + 93 = 21483
Step 232: 21483 + 93 = 21576
Step 233: 21576 + 93 = 21669
Step 234: 21669 + 93 = 21762
Step 235: 21762 + 93 = 21855
Step 236: 21855 + 93 = 21948
Step 237: 21948 + 93 = 22041
Step 238: 22041 + 93 = 22134
Step 239: 22134 + 93 = 22227
Step 240: 22227 + 93 = 22320
Step 241: 22320 + 93 = 22413
Step 242: 22413 + 93 = 22506
Step 243: 22506 + 93 = 22599
Step 244: 22599 + 93 = 22692
Step 245: 22692 + 93 = 22785
Step 246: 22785 + 93 = 22878
Step 247: 22878 + 93 = 22971
Step 248: 22971 + 93 = 23064
Step 249: 23064 + 93 = 23157
Step 250: 23157 + 93 = 23250
Step 251: 23250 + 93 = 23343
Step 252: 23343 + 93 = 23436
Step 253: 23436 + 93 = 23529
Step 254: 23529 + 93 = 23622
Step 255: 23622 + 93 = 23715
Step 256: 23715 + 93 = 23808
Step 257: 23808 + 93 = 23901
Step 258: 23901 + 93 = 23994
Step 259: 23994 + 93 = 24087
Step 260: 24087 + 93 = 24180
Step 261: 24180 + 93 = 24273
Step 262: 24273 + 93 = 24366
Step 263: 24366 + 93 = 24459
Step 264: 24459 + 93 = 24552
Step 265: 24552 + 93 = 24645
Step 266: 24645 + 93 = 24738
Step 267: 24738 + 93 = 24831
Step 268: 24831 + 93 = 24924
Step 269: 24924 + 93 = 25017
Step 270: 25017 + 93 = 25110
Step 271: 25110 + 93 = 25203
Step 272: 25203 + 93 = 25296
Step 273: 25296 + 93 = 25389
Step 274: 25389 + 93 = 25482
Step 275: 25482 + 93 = 25575
Step 276: 25575 + 93 = 25668
Step 277: 25668 + 93 = 25761
Step 278: 25761 + 93 = 25854
Step 279: 25854 + 93 = 25947
Step 280: 25947 + 93 = 26040
Step 281: 26040 + 93 = 26133
Step 282: 26133 + 93 = 26226
Step 283: 26226 + 93 = 26319
Step 284: 26319 + 93 = 26412
Step 285: 26412 + 93 = 26505
Step 286: 26505 + 93 = 26598
Step 287: 26598 + 93 = 26691
Step 288: 26691 + 93 = 26784
Step 289: 26784 + 93 = 26877
Step 290: 26877 + 93 = 26970
Step 291: 26970 + 93 = 27063
Step 292: 27063 + 93 = 27156
Step 293: 27156 + 93 = 27249
Step 294: 27249 + 93 = 27342
Step 295: 27342 + 93 = 27435
Step 296: 27435 + 93 = 27528
Step 297: 27528 + 93 = 27621
Step 298: 27621 + 93 = 27714
Step 299: 27714 + 93 = 27807
Step 300: 27807 + 93 = 27900
Step 301: 27900 + 93 = 27993
Step 302: 27993 + 93 = 28086
Step 303: 28086 + 93 = 28179
Step 304: 28179 + 93 = 28272
Step 305: 28272 + 93 = 28365
Step 306: 28365 + 93 = 28458
Step 307: 28458 + 93 = 28551
Step 308: 28551 + 93 = 28644
Step 309: 28644 + 93 = 28737
Step 310: 28737 + 93 = 28830
Step 311: 28830 + 93 = 28923
Step 312: 28923 + 93 = 29016
Step 313: 29016 + 93 = 29109
Step 314: 29109 + 93 = 29202
Step 315: 29202 + 93 = 29295
Step 316: 29295 + 93 = 29388
Step 317: 29388 + 93 = 29481
Step 318: 29481 + 93 = 29574
Step 319: 29574 + 93 = 29667
Step 320: 29667 + 93 = 29760
Step 321: 29760 + 93 = 29853
Step 322: 29853 + 93 = 29946
Step 323: 29946 + 93 = 30039
Step 324: 30039 + 93 = 30132
Step 325: 30132 + 93 = 30225
Step 326: 30225 + 93 = 30318
Step 327: 30318 + 93 = 30411
Step 328: 30411 + 93 = 30504
Step 329: 30504 + 93 = 30597
Step 330: 30597 + 93 = 30690
Step 331: 30690 + 93 = 30783
Step 332: 30783 + 93 = 30876
Step 333: 30876 + 93 = 30969
Step 334: 30969 + 93 = 31062
Step 335: 31062 + 93 = 31155
Step 336: 31155 + 93 = 31248
Step 337: 31248 + 93 = 31341
Step 338: 31341 + 93 = 31434
Step 339: 31434 + 93 = 31527
Step 340: 31527 + 93 = 31620
Step 341: 31620 + 93 = 31713
Step 342: 31713 + 93 = 31806
Step 343: 31806 + 93 = 31899
Step 344: 31899 + 93 = 31992
Step 345: 31992 + 93 = 32085
Step 346: 32085 + 93 = 32178
Step 347: 32178 + 93 = 32271
Step 348: 32271 + 93 = 32364
Step 349: 32364 + 93 = 32457
Step 350: 32457 + 93 = 32550
Step 351: 32550 + 93 = 32643
Step 352: 32643 + 93 = 32736
Step 353: 32736 + 93 = 32829
Step 354: 32829 + 93 = 32922
Step 355: 32922 + 93 = 33015
Step 356: 33015 + 93 = 33108
Step 357: 33108 + 93 = 33201
Step 358: 33201 + 93 = 33294
Step 359: 33294 + 93 = 33387
Step 360: 33387 + 93 = 33480
Step 361: 33480 + 93 = 33573
Step 362: 33573 + 93 = 33666
Step 363: 33666 + 93 = 33759
Step 364: 33759 + 93 = 33852
Step 365: 33852 + 93 = 33945
Step 366: 33945 + 93 = 34038
Step 367: 34038 + 93 = 34131
Step 368: 34131 + 93 = 34224
Step 369: 34224 + 93 = 34317
Step 370: 34317 + 93 = 34410
Step 371: 34410 + 93 = 34503
Step 372: 34503 + 93 = 34596
Step 373: 34596 + 93 = 34689
Step 374: 34689 + 93 = 34782
Step 375: 34782 + 93 = 34875
Step 376: 34875 + 93 = 34968
Step 377: 34968 + 93 = 35061
Step 378: 35061 + 93 = 35154
Step 379: 35154 + 93 = 35247
Step 380: 35247 + 93 = 35340
Step 381: 35340 + 93 = 35433
Step 382: 35433 + 93 = 35526
Step 383: 35526 + 93 = 35619
Step 384: 35619 + 93 = 35712
Step 385: 35712 + 93 = 35805
Step 386: 35805 + 93 = 35898
Step 387: 35898 + 93 = 35991
Step 388: 35991 + 93 = 36084
Step 389: 36084 + 93 = 36177
Step 390: 36177 + 93 = 36270
Step 391: 36270 + 93 = 36363
Step 392: 36363 + 93 = 36456
Step 393: 36456 + 93 = 36549
Step 394: 36549 + 93 = 36642
Step 395: 36642 + 93 = 36735
Step 396: 36735 + 93 = 36828
Step 397: 36828 + 93 = 36921
Step 398: 36921 + 93 = 37014
Step 399: 37014 + 93 = 37107
Step 400: 37107 + 93 = 37200
Step 401: 37200 + 93 = 37293
Step 402: 37293 + 93 = 37386
Step 403: 37386 + 93 = 37479
Step 404: 37479 + 93 = 37572
Step 405: 37572 + 93 = 37665
Step 406: 37665 + 93 = 37758
Step 407: 37758 + 93 = 37851
Step 408: 37851 + 93 = 37944
Step 409: 37944 + 93 = 38037
Step 410: 38037 + 93 = 38130
Step 411: 38130 + 93 = 38223
Step 412: 38223 + 93 = 38316
Step 413: 38316 + 93 = 38409
Step 414: 38409 + 93 = 38502
Step 415: 38502 + 93 = 38595
Step 416: 38595 + 93 = 38688
Step 417: 38688 + 93 = 38781
Step 418: 38781 + 93 = 38874
Step 419: 38874 + 93 = 38967
Step 420: 38967 + 93 = 39060
Step 421: 39060 + 93 = 39153
Step 422: 39153 + 93 = 39246
Step 423: 39246 + 93 = 39339

So, 93*423 = 39339